Specify which mode to use for calculating the x and y positions of the
whirlies. Can be any of spin, funky, circle, linear, test, fun, innie
or lissajous. Defaults to 'change' mode, which randomly selects a new
Specify which mode to use for calculating the x and y positions of the
whirlies. Can be any of spin, funky, circle, linear, test, fun, innie
or lissajous. Defaults to 'change' mode, which randomly selects a new